eapol_supp: Request EAP method from EAP state machine

Signed-off-by: Paul Stewart <pstew@google.com>

src/eapol_supp/eapol_supp_sm.c

@@ -1029,6 +1029,21 @@ void eapol_sm_configure(struct eapol_sm *sm, int heldPeriod, int authPeriod,
 }
 
 
+/**
+ * eapol_sm_get_method_name - Get EAPOL method name
+ * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init()
+ * Returns: Static string containing name of current eap method or NULL
+ */
+const char * eapol_sm_get_method_name(struct eapol_sm *sm)
+{
+	if (sm->SUPP_PAE_state != SUPP_PAE_AUTHENTICATED ||
+	    sm->suppPortStatus != Authorized)
+		return NULL;
+
+	return eap_sm_get_method_name(sm->eap);
+}
+
+
 #ifdef CONFIG_CTRL_IFACE
 /**
  * eapol_sm_get_status - Get EAPOL state machine status

src/eapol_supp/eapol_supp_sm.h

@@ -255,6 +255,7 @@ void eapol_sm_notify_ctrl_response(struct eapol_sm *sm);
 void eapol_sm_request_reauth(struct eapol_sm *sm);
 void eapol_sm_notify_lower_layer_success(struct eapol_sm *sm, int in_eapol_sm);
 void eapol_sm_invalidate_cached_session(struct eapol_sm *sm);
+const char * eapol_sm_get_method_name(struct eapol_sm *sm);
 #else /* IEEE8021X_EAPOL */
 static inline struct eapol_sm *eapol_sm_init(struct eapol_ctx *ctx)
 {